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c609719b 1/*
d4ca31c4 2 * (C) Copyright 2001-2004
c609719b
WD
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21 * MA 02111-1307 USA
22 */
23
24#include <common.h>
25#include <command.h>
26#include <net.h>
d9785c14 27#include <miiphy.h>
c609719b 28
643d1ab2 29#if defined(CONFIG_CMD_NET) && defined(CONFIG_NET_MULTI)
c609719b
WD
30
31#ifdef CFG_GT_6426x
32extern int gt6426x_eth_initialize(bd_t *bis);
33#endif
34
3a473b2a
WD
35extern int au1x00_enet_initialize(bd_t*);
36extern int dc21x4x_initialize(bd_t*);
682011ff 37extern int e1000_initialize(bd_t*);
c609719b 38extern int eepro100_initialize(bd_t*);
c7de829c 39extern int eth_3com_initialize(bd_t*);
c609719b 40extern int fec_initialize(bd_t*);
6069ff26 41extern int inca_switch_initialize(bd_t*);
945af8d7 42extern int mpc5xxx_fec_initialize(bd_t*);
8993e54b 43extern int mpc512x_fec_initialize(bd_t*);
983fda83 44extern int mpc8220_fec_initialize(bd_t*);
3a473b2a
WD
45extern int mv6436x_eth_initialize(bd_t *);
46extern int mv6446x_eth_initialize(bd_t *);
47extern int natsemi_initialize(bd_t*);
48extern int ns8382x_initialize(bd_t*);
49extern int pcnet_initialize(bd_t*);
50extern int plb2800_eth_initialize(bd_t*);
51extern int ppc_4xx_eth_initialize(bd_t *);
52extern int rtl8139_initialize(bd_t*);
a8bd82de 53extern int rtl8169_initialize(bd_t*);
3a473b2a 54extern int scc_initialize(bd_t*);
7152b1d0 55extern int skge_initialize(bd_t*);
d1927cee 56extern int tsi108_eth_initialize(bd_t*);
1f103105 57extern int uli526x_initialize(bd_t *);
d9b94f28 58extern int tsec_initialize(bd_t*, int, char *);
ba94a1bb 59extern int npe_initialize(bd_t *);
7737d5c6 60extern int uec_initialize(int);
9fd437bb 61extern int bfin_EMAC_initialize(bd_t *);
9a24f477 62extern int atstk1000_eth_initialize(bd_t *);
8e585f02 63extern int mcffec_initialize(bd_t*);
c609719b 64
f85b6071
RJ
65#ifdef CONFIG_API
66extern void (*push_packet)(volatile void *, int);
67
68static struct {
69 uchar data[PKTSIZE];
70 int length;
71} eth_rcv_bufs[PKTBUFSRX];
72
73static unsigned int eth_rcv_current = 0, eth_rcv_last = 0;
74#endif
75
c609719b
WD
76static struct eth_device *eth_devices, *eth_current;
77
78struct eth_device *eth_get_dev(void)
79{
80 return eth_current;
81}
82
63ff004c
MB
83struct eth_device *eth_get_dev_by_name(char *devname)
84{
85 struct eth_device *dev, *target_dev;
86
87 if (!eth_devices)
88 return NULL;
89
90 dev = eth_devices;
91 target_dev = NULL;
92 do {
93 if (strcmp(devname, dev->name) == 0) {
94 target_dev = dev;
95 break;
96 }
97 dev = dev->next;
98 } while (dev != eth_devices);
99
100 return target_dev;
101}
102
c609719b
WD
103int eth_get_dev_index (void)
104{
105 struct eth_device *dev;
106 int num = 0;
107
108 if (!eth_devices) {
109 return (-1);
110 }
111
112 for (dev = eth_devices; dev; dev = dev->next) {
113 if (dev == eth_current)
114 break;
115 ++num;
116 }
117
118 if (dev) {
119 return (num);
120 }
121
122 return (0);
123}
124
125int eth_register(struct eth_device* dev)
126{
127 struct eth_device *d;
128
129 if (!eth_devices) {
130 eth_current = eth_devices = dev;
a3d991bd
WD
131#ifdef CONFIG_NET_MULTI
132 /* update current ethernet name */
133 {
134 char *act = getenv("ethact");
135 if (act == NULL || strcmp(act, eth_current->name) != 0)
136 setenv("ethact", eth_current->name);
137 }
138#endif
c609719b
WD
139 } else {
140 for (d=eth_devices; d->next!=eth_devices; d=d->next);
141 d->next = dev;
142 }
143
144 dev->state = ETH_STATE_INIT;
145 dev->next = eth_devices;
146
147 return 0;
148}
149
150int eth_initialize(bd_t *bis)
151{
5ca2d095
SK
152 char enetvar[32];
153 unsigned char env_enetaddr[6];
c609719b
WD
154 int i, eth_number = 0;
155 char *tmp, *end;
156
157 eth_devices = NULL;
158 eth_current = NULL;
159
fad63407 160 show_boot_progress (64);
643d1ab2 161#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
d9785c14
MB
162 miiphy_init();
163#endif
164
1eac2a71 165#if defined(CONFIG_DB64360) || defined(CONFIG_CPCI750)
3a473b2a
WD
166 mv6436x_eth_initialize(bis);
167#endif
1eac2a71 168#if defined(CONFIG_DB64460) || defined(CONFIG_P3Mx)
3a473b2a
WD
169 mv6446x_eth_initialize(bis);
170#endif
7521af1c 171#if defined(CONFIG_4xx) && !defined(CONFIG_IOP480) && !defined(CONFIG_AP1000)
8bde7f77 172 ppc_4xx_eth_initialize(bis);
a3ed3996 173#endif
6069ff26
WD
174#ifdef CONFIG_INCA_IP_SWITCH
175 inca_switch_initialize(bis);
176#endif
3e38691e
WD
177#ifdef CONFIG_PLB2800_ETHER
178 plb2800_eth_initialize(bis);
179#endif
baac607c
WD
180#ifdef SCC_ENET
181 scc_initialize(bis);
182#endif
baac607c
WD
183#if defined(CONFIG_MPC5xxx_FEC)
184 mpc5xxx_fec_initialize(bis);
185#endif
8993e54b
RJ
186#if defined(CONFIG_MPC512x_FEC)
187 mpc512x_fec_initialize (bis);
188#endif
7680c140 189#if defined(CONFIG_MPC8220_FEC)
983fda83
WD
190 mpc8220_fec_initialize(bis);
191#endif
baac607c
WD
192#if defined(CONFIG_SK98)
193 skge_initialize(bis);
194#endif
255a3577
KP
195#if defined(CONFIG_TSEC1)
196 tsec_initialize(bis, 0, CONFIG_TSEC1_NAME);
0ac6f8b7 197#endif
255a3577
KP
198#if defined(CONFIG_TSEC2)
199 tsec_initialize(bis, 1, CONFIG_TSEC2_NAME);
0ac6f8b7
WD
200#endif
201#if defined(CONFIG_MPC85XX_FEC)
d9b94f28
JL
202 tsec_initialize(bis, 2, CONFIG_MPC85XX_FEC_NAME);
203#else
255a3577
KP
204# if defined(CONFIG_TSEC3)
205 tsec_initialize(bis, 2, CONFIG_TSEC3_NAME);
d9b94f28 206# endif
255a3577
KP
207# if defined(CONFIG_TSEC4)
208 tsec_initialize(bis, 3, CONFIG_TSEC4_NAME);
d9b94f28 209# endif
baac607c 210#endif
7737d5c6
DL
211#if defined(CONFIG_UEC_ETH1)
212 uec_initialize(0);
213#endif
214#if defined(CONFIG_UEC_ETH2)
215 uec_initialize(1);
216#endif
ccf21c31
JT
217#if defined(CONFIG_UEC_ETH3)
218 uec_initialize(2);
219#endif
debb7354 220
d96f41e0
SR
221#if defined(FEC_ENET) || defined(CONFIG_ETHER_ON_FCC)
222 fec_initialize(bis);
223#endif
baac607c
WD
224#if defined(CONFIG_AU1X00)
225 au1x00_enet_initialize(bis);
226#endif
ba94a1bb
WD
227#if defined(CONFIG_IXP4XX_NPE)
228 npe_initialize(bis);
229#endif
682011ff
WD
230#ifdef CONFIG_E1000
231 e1000_initialize(bis);
232#endif
c609719b
WD
233#ifdef CONFIG_EEPRO100
234 eepro100_initialize(bis);
235#endif
236#ifdef CONFIG_TULIP
237 dc21x4x_initialize(bis);
238#endif
c7de829c
WD
239#ifdef CONFIG_3COM
240 eth_3com_initialize(bis);
241#endif
c609719b
WD
242#ifdef CONFIG_PCNET
243 pcnet_initialize(bis);
244#endif
245#ifdef CFG_GT_6426x
246 gt6426x_eth_initialize(bis);
247#endif
248#ifdef CONFIG_NATSEMI
249 natsemi_initialize(bis);
250#endif
251#ifdef CONFIG_NS8382X
252 ns8382x_initialize(bis);
253#endif
d1927cee 254#if defined(CONFIG_TSI108_ETH)
255 tsi108_eth_initialize(bis);
c609719b 256#endif
1f103105
RZ
257#if defined(CONFIG_ULI526X)
258 uli526x_initialize(bis);
259#endif
63f34912
WD
260#if defined(CONFIG_RTL8139)
261 rtl8139_initialize(bis);
262#endif
a8bd82de
WD
263#if defined(CONFIG_RTL8169)
264 rtl8169_initialize(bis);
265#endif
9fd437bb
AL
266#if defined(CONFIG_BF537)
267 bfin_EMAC_initialize(bis);
268#endif
9a24f477
HS
269#if defined(CONFIG_ATSTK1000)
270 atstk1000_eth_initialize(bis);
271#endif
2870e98a
TL
272#if defined(CONFIG_MCFFEC)
273 mcffec_initialize(bis);
274#endif
c609719b
WD
275
276 if (!eth_devices) {
277 puts ("No ethernet found.\n");
fad63407 278 show_boot_progress (-64);
c609719b
WD
279 } else {
280 struct eth_device *dev = eth_devices;
281 char *ethprime = getenv ("ethprime");
282
fad63407 283 show_boot_progress (65);
c609719b
WD
284 do {
285 if (eth_number)
286 puts (", ");
287
288 printf("%s", dev->name);
289
290 if (ethprime && strcmp (dev->name, ethprime) == 0) {
291 eth_current = dev;
292 puts (" [PRIME]");
293 }
294
295 sprintf(enetvar, eth_number ? "eth%daddr" : "ethaddr", eth_number);
296 tmp = getenv (enetvar);
297
298 for (i=0; i<6; i++) {
299 env_enetaddr[i] = tmp ? simple_strtoul(tmp, &end, 16) : 0;
300 if (tmp)
301 tmp = (*end) ? end+1 : end;
302 }
303
304 if (memcmp(env_enetaddr, "\0\0\0\0\0\0", 6)) {
305 if (memcmp(dev->enetaddr, "\0\0\0\0\0\0", 6) &&
306 memcmp(dev->enetaddr, env_enetaddr, 6))
307 {
baac607c
WD
308 printf ("\nWarning: %s MAC addresses don't match:\n",
309 dev->name);
310 printf ("Address in SROM is "
c609719b
WD
311 "%02X:%02X:%02X:%02X:%02X:%02X\n",
312 dev->enetaddr[0], dev->enetaddr[1],
313 dev->enetaddr[2], dev->enetaddr[3],
314 dev->enetaddr[4], dev->enetaddr[5]);
baac607c 315 printf ("Address in environment is "
c609719b
WD
316 "%02X:%02X:%02X:%02X:%02X:%02X\n",
317 env_enetaddr[0], env_enetaddr[1],
318 env_enetaddr[2], env_enetaddr[3],
319 env_enetaddr[4], env_enetaddr[5]);
320 }
321
322 memcpy(dev->enetaddr, env_enetaddr, 6);
323 }
324
325 eth_number++;
326 dev = dev->next;
327 } while(dev != eth_devices);
328
a3d991bd
WD
329#ifdef CONFIG_NET_MULTI
330 /* update current ethernet name */
331 if (eth_current) {
332 char *act = getenv("ethact");
333 if (act == NULL || strcmp(act, eth_current->name) != 0)
334 setenv("ethact", eth_current->name);
335 } else
336 setenv("ethact", NULL);
337#endif
338
c609719b
WD
339 putc ('\n');
340 }
341
342 return eth_number;
343}
344
345void eth_set_enetaddr(int num, char *addr) {
346 struct eth_device *dev;
347 unsigned char enetaddr[6];
348 char *end;
349 int i;
350
d4ca31c4
WD
351 debug ("eth_set_enetaddr(num=%d, addr=%s)\n", num, addr);
352
c609719b
WD
353 if (!eth_devices)
354 return;
355
356 for (i=0; i<6; i++) {
357 enetaddr[i] = addr ? simple_strtoul(addr, &end, 16) : 0;
358 if (addr)
359 addr = (*end) ? end+1 : end;
360 }
361
362 dev = eth_devices;
363 while(num-- > 0) {
364 dev = dev->next;
365
366 if (dev == eth_devices)
367 return;
368 }
369
d4ca31c4
WD
370 debug ( "Setting new HW address on %s\n"
371 "New Address is %02X:%02X:%02X:%02X:%02X:%02X\n",
372 dev->name,
a188b585
WD
373 enetaddr[0], enetaddr[1],
374 enetaddr[2], enetaddr[3],
375 enetaddr[4], enetaddr[5]);
c609719b
WD
376
377 memcpy(dev->enetaddr, enetaddr, 6);
378}
53a5c424
DU
379#ifdef CONFIG_MCAST_TFTP
380/* Multicast.
381 * mcast_addr: multicast ipaddr from which multicast Mac is made
85eb5caf 382 * join: 1=join, 0=leave.
53a5c424
DU
383 */
384int eth_mcast_join( IPaddr_t mcast_ip, u8 join)
385{
386 u8 mcast_mac[6];
85eb5caf 387 if (!eth_current || !eth_current->mcast)
53a5c424
DU
388 return -1;
389 mcast_mac[5] = htonl(mcast_ip) & 0xff;
390 mcast_mac[4] = (htonl(mcast_ip)>>8) & 0xff;
391 mcast_mac[3] = (htonl(mcast_ip)>>16) & 0x7f;
392 mcast_mac[2] = 0x5e;
393 mcast_mac[1] = 0x0;
394 mcast_mac[0] = 0x1;
395 return eth_current->mcast(eth_current, mcast_mac, join);
396}
397
85eb5caf
WD
398/* the 'way' for ethernet-CRC-32. Spliced in from Linux lib/crc32.c
399 * and this is the ethernet-crc method needed for TSEC -- and perhaps
53a5c424
DU
400 * some other adapter -- hash tables
401 */
402#define CRCPOLY_LE 0xedb88320
403u32 ether_crc (size_t len, unsigned char const *p)
404{
405 int i;
406 u32 crc;
407 crc = ~0;
408 while (len--) {
409 crc ^= *p++;
410 for (i = 0; i < 8; i++)
411 crc = (crc >> 1) ^ ((crc & 1) ? CRCPOLY_LE : 0);
412 }
413 /* an reverse the bits, cuz of way they arrive -- last-first */
414 crc = (crc >> 16) | (crc << 16);
415 crc = (crc >> 8 & 0x00ff00ff) | (crc << 8 & 0xff00ff00);
416 crc = (crc >> 4 & 0x0f0f0f0f) | (crc << 4 & 0xf0f0f0f0);
417 crc = (crc >> 2 & 0x33333333) | (crc << 2 & 0xcccccccc);
418 crc = (crc >> 1 & 0x55555555) | (crc << 1 & 0xaaaaaaaa);
419 return crc;
420}
421
422#endif
423
c609719b
WD
424
425int eth_init(bd_t *bis)
426{
427 struct eth_device* old_current;
428
429 if (!eth_current)
505be87a 430 return -1;
c609719b
WD
431
432 old_current = eth_current;
433 do {
d4ca31c4 434 debug ("Trying %s\n", eth_current->name);
c609719b 435
505be87a 436 if (!eth_current->init(eth_current,bis)) {
c609719b
WD
437 eth_current->state = ETH_STATE_ACTIVE;
438
505be87a 439 return 0;
c609719b 440 }
d4ca31c4 441 debug ("FAIL\n");
c609719b
WD
442
443 eth_try_another(0);
444 } while (old_current != eth_current);
445
505be87a 446 return -1;
c609719b
WD
447}
448
449void eth_halt(void)
450{
451 if (!eth_current)
452 return;
453
454 eth_current->halt(eth_current);
455
456 eth_current->state = ETH_STATE_PASSIVE;
457}
458
459int eth_send(volatile void *packet, int length)
460{
461 if (!eth_current)
462 return -1;
463
464 return eth_current->send(eth_current, packet, length);
465}
466
467int eth_rx(void)
468{
469 if (!eth_current)
470 return -1;
471
472 return eth_current->recv(eth_current);
473}
474
f85b6071
RJ
475#ifdef CONFIG_API
476static void eth_save_packet(volatile void *packet, int length)
477{
478 volatile char *p = packet;
479 int i;
480
481 if ((eth_rcv_last+1) % PKTBUFSRX == eth_rcv_current)
482 return;
483
484 if (PKTSIZE < length)
485 return;
486
487 for (i = 0; i < length; i++)
488 eth_rcv_bufs[eth_rcv_last].data[i] = p[i];
489
490 eth_rcv_bufs[eth_rcv_last].length = length;
491 eth_rcv_last = (eth_rcv_last + 1) % PKTBUFSRX;
492}
493
494int eth_receive(volatile void *packet, int length)
495{
496 volatile char *p = packet;
497 void *pp = push_packet;
498 int i;
499
500 if (eth_rcv_current == eth_rcv_last) {
501 push_packet = eth_save_packet;
502 eth_rx();
503 push_packet = pp;
504
505 if (eth_rcv_current == eth_rcv_last)
506 return -1;
507 }
508
509 if (length < eth_rcv_bufs[eth_rcv_current].length)
510 return -1;
511
512 length = eth_rcv_bufs[eth_rcv_current].length;
513
514 for (i = 0; i < length; i++)
515 p[i] = eth_rcv_bufs[eth_rcv_current].data[i];
516
517 eth_rcv_current = (eth_rcv_current + 1) % PKTBUFSRX;
518 return length;
519}
520#endif /* CONFIG_API */
521
c609719b
WD
522void eth_try_another(int first_restart)
523{
524 static struct eth_device *first_failed = NULL;
525
526 if (!eth_current)
527 return;
528
baac607c 529 if (first_restart) {
c609719b
WD
530 first_failed = eth_current;
531 }
532
533 eth_current = eth_current->next;
534
a3d991bd
WD
535#ifdef CONFIG_NET_MULTI
536 /* update current ethernet name */
537 {
538 char *act = getenv("ethact");
539 if (act == NULL || strcmp(act, eth_current->name) != 0)
540 setenv("ethact", eth_current->name);
541 }
542#endif
543
baac607c 544 if (first_failed == eth_current) {
c609719b
WD
545 NetRestartWrap = 1;
546 }
547}
548
a3d991bd
WD
549#ifdef CONFIG_NET_MULTI
550void eth_set_current(void)
551{
552 char *act;
553 struct eth_device* old_current;
554
555 if (!eth_current) /* XXX no current */
556 return;
557
558 act = getenv("ethact");
559 if (act != NULL) {
560 old_current = eth_current;
561 do {
562 if (strcmp(eth_current->name, act) == 0)
563 return;
564 eth_current = eth_current->next;
565 } while (old_current != eth_current);
566 }
567
568 setenv("ethact", eth_current->name);
569}
570#endif
571
5bb226e8
WD
572char *eth_get_name (void)
573{
574 return (eth_current ? eth_current->name : "unknown");
575}
643d1ab2 576#elif defined(CONFIG_CMD_NET) && !defined(CONFIG_NET_MULTI)
63ff004c
MB
577
578extern int at91rm9200_miiphy_initialize(bd_t *bis);
579extern int emac4xx_miiphy_initialize(bd_t *bis);
580extern int mcf52x2_miiphy_initialize(bd_t *bis);
581extern int ns7520_miiphy_initialize(bd_t *bis);
c74b2108
SK
582extern int dm644x_eth_miiphy_initialize(bd_t *bis);
583
63ff004c
MB
584
585int eth_initialize(bd_t *bis)
586{
643d1ab2 587#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
d9785c14
MB
588 miiphy_init();
589#endif
590
63ff004c
MB
591#if defined(CONFIG_AT91RM9200)
592 at91rm9200_miiphy_initialize(bis);
593#endif
594#if defined(CONFIG_4xx) && !defined(CONFIG_IOP480) \
595 && !defined(CONFIG_AP1000) && !defined(CONFIG_405)
596 emac4xx_miiphy_initialize(bis);
597#endif
598#if defined(CONFIG_MCF52x2)
599 mcf52x2_miiphy_initialize(bis);
600#endif
601#if defined(CONFIG_NETARM)
602 ns7520_miiphy_initialize(bis);
c74b2108
SK
603#endif
604#if defined(CONFIG_DRIVER_TI_EMAC)
605 dm644x_eth_miiphy_initialize(bis);
63ff004c
MB
606#endif
607 return 0;
608}
c609719b 609#endif